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María Josefina Pons,Juan Mendiberri,Martín Arce,Gerson Alan Greco,Telma B. Musso,María Lis Fernández,Natalia Hauser,Pamela Aparicio González
Pág. 93 - 126
The Sofía-Julia-Valencia vein system, located in the Andacollo mining district in central west Argentina, is hosted by ENE-WSW oriented strike-slip faults which are the result of reactivation of normal faults affecting Carboniferous to Jurassic rocks dur...
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Marcelo García,Germán Aguilar,María Pía Rodríguez,James Metcalf
Pág. 313 - 326
In the Western Cordillera of northern Chile, the Proterozoic-Paleozoic Belén Metamorphic Complex is covered by late Oligocene-early Miocene (25-18 Ma) rocks, and both units are involved in west-vergent contractional deformation, which results in exhumati...
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Marcos Podesta,Gustavo Ortiz,Paola Orozco,Patricia Alvarado,Facundo Fuentes
Pág. 327 - 344
The Iglesia basin, in the San Juan Province, is the northern part of a Cenozoic piggy-back basin (the Iglesia-Calingasta-Uspallata basin), located above of the active flat-slab subduction zone of western Argentina. This basin is located between two mount...
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Diego Osorio Afanador,Francisco Velandia
Pág. 237 - 266
The Yariguíes Anticlinorium, a regional structure located at the western flank of the Eastern Cordillera of Colombia, includes the thickest record of continental sedimentary rocks accumulated near to the Jurassic-Cretaceous boundary. The sedimentary rock...
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Blanca A. Toro,Susana E. Heredia,Nexxys C. Herrera Sánchez,Florencia Moreno
Pág. 144 - 161
Recent biostratigraphic studies on the western argentine Puna recorded the Middle Ordovician conodont Baltoniodus cf. B. navis (Lindström) for first time, related to key graptolite taxa of the Central Andean Basin. The analyzed material comes from the lo...
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Aldo A. Alván,Yacory F. Bustamante,Elvis A. Sánchez,Mirian I. Mamani
Pág. 351 - 383
The Cenozoic rocks lying in the Province of Tacna (18° S), southern Perú, represent approximately 600 m of stratigraphic thickness. This stacking groups the Sotillo (Paleocene), Moquegua Inferior (Eocene), Moquegua Superior (Oligocene), Huaylillas (Mioce...
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Reynaldo Charrier,Lasafam Iturrizaga,Sébastien Carretier,Vincent Regard
Pág. 240 - 278
We present here a reconstruction of the post late Miocene landscape evolution of the western slope of the Andean Cordillera Principal near 34°20? S. We base our analysis on the available geological information, a morphological characterization of the lan...
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Alan Santos Polo,Guo Weimin,Fernando Rivera,Colombo Tassinari,Luis Cerpa,Shoji Kojima
Pág. 445 - 470
Early Jurassic arc-related igneous rocks host porphyry copper prospects and gold-bearing quartz vein deposits in southern Peru. Ten new zircon U-Pb ages for wall rocks of gold-bearing quartz veins, Jurassic rocks and copper-mineralized porphyry bodies in...
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Wolfgang Jens-Henrik Meier, Juan-Carlos Aravena, Jussi Grießinger, Philipp Hochreuther, Pamela Soto-Rogel, Haifeng Zhu, Ricardo De Pol-Holz, Christoph Schneider and Matthias Holger Braun
The Magallanes?Tierra del Fuego region, Southern Patagonia (53?56° S) features a plethora of fjords and remote and isolated islands, and hosts several thousand glaciers. The number of investigated glaciers with respect to the multiple Neoglacial advances...
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Sebastian Herrera, Luisa Pinto, Katja Deckart, Javier Cortés, Javier Valenzuela
Pág. 87 - 122
Crustal thickening by horizontal shortening and associated deformation have been broadly considered as
prime mechanisms for mountain building in the Central Andes of western South America. However, timing and structural
style of Andean orogeny in norther...
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